Chemetall NAFTOSEAL MC-780A-2 (55-ML-KIT)
FUSELAGE AND FUEL TANK SEALANT (TK55) (55-ML-KIT)
AERO P/N: 116363
Hazardous Material
Total Available Stock: 0
UK
USA
Available On Request
Available On Request
Minimum Order Quantity: 24
Estimated Lead Time: 70 days
Estimated Lead Time: 70 days
$87.75 excl VAT
Naftoseal MC-780 A2 is a low-density, two-component polysulfide sealant in a 55mL (~0.055L, ~1.86 fl oz) kit that provides a lightweight, flexible, fuel-resistant seal for fuselage and fuel tank applications, ideal for integral tank sealing, structural seams, and MRO use where weight is critical.
Product Features
OEM
-
Brand
Chemetall
OEM Part No.
-
Colour
-
Shelf Life in Months
6
Shelf Life in Days
180
UN No
UN1133
Class
CL3
PG
PGIII
ECCN
EAR99
Country of Origin
Germany
Commodity Code
32141010
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Information
Additional Product Information
Overview
NAFTOSEAL MC-780A-2 is a low-density, two-part polysulfide sealant designed for applications where weight reduction is critical. It is used in aviation manufacturing and MRO environments for fuel tank and structural sealing, providing flexibility, chemical resistance, and durability under vibration and thermal cycling. Teams rely on it to minimise added mass without compromising sealing performance.
Key Technical Specs for Chemetall NAFTOSEAL MC-780A-2
- Type: Low-density two-part polysulfide sealant
- Size/Volume: 55 mL (1.86 fl oz)
- Color: Typically gray
- Viscosity/Consistency: Thixotropic paste
- Cure/Working Time: Approx. 2 hours (Class A-2)
- Tensile/Peel Strength: Structural sealing grade
- Shore Hardness: Flexible elastomer after cure
- Typical Uses: Fuel tanks, fuselage joints, weight-sensitive structures
Approvals & Specifications
- AIMS-04-05-001
Typical Aircraft MRO / AOG Applications
- Fuel tank sealing where weight is critical
- Structural joints under vibration
- Lightweight fuselage assemblies
Compatibility & Safety Notes
- Compatible with aluminium, titanium, and composites
- Use appropriate PPE during mixing and application
Packaging & Procurement
- 55 mL kit for controlled, low-waste application
- Suitable for precision sealing tasks
Why Chemetall NAFTOSEAL MC-780A-2 is Chosen for AOG / MRO
- Reduced sealant mass
- Reliable working time
- Certified aerospace performance
Practical Suggestions for Your Team (AOG Mindset)
- Stock for weight-sensitive repairs
- Use where added mass must be minimised
Manufacture / Aviation Spec Codes
- Manufacturer: Chemetall
- Product ID: NAFTOSEAL MC-780A-2
Alternative Names & Descriptions
- Naftoseal MC780 A-2
- Low Density Fuel Tank Sealant
- Lightweight Polysulfide Sealant
Restrictions
Restrictions
Restricted
Hazardous
Yes
Dry Ice
No
Precursor Licence
Export Licence
FEDEX Restriction
Supplier Disruption
no
Recommended Alternatives
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Shipping Information
- Orders over £100 online are eligible for FREE UK Mainland delivery.
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- European Delivery is available for selected countries. Shipping costs will be calculated according to the weight of the products.
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